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Second-Floor Office Suites
New
For Lease
$900/Mo

1-300 Constitution Avenue, Portsmouth, NH 03801

Options include a single-room workspace and a larger layout with private offices, meeting rooms, and a kitchen area.

Space Size550 SF - 11,062 SF
Days on Market5

Property Features for 1-300 Constitution Avenue

General Information

Standard status Active
Size 550 SF - 11,062 SF
Net Rentable 550 SF
Class A
Elevators Yes

Space & Availability

Available Space 550-11,062 SF
Contiguous Space 11,062 SF
Floor 2
Space Use Office
Sublease No

Additional Details

Highway Access Yes

Amenities

high ceilings
lots of windows

Building Details

Tenancy Multi
Listing Agency: Colliers International
Listed By: Andrew Ward · License #067085
Source: Exprealty
Added: Oct 7 Changed: Oct 10 Last Checked: Oct 10 at 2:41AM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of Colliers International

Investment Insights

Based on property information with market context.

Two office suites are available on the second floor. Suite 1 offers an open-plan, single-room workspace of 550± SF. Suite 200 totals 11,062± SF and includes 9 offices, 3 conference rooms, a kitchen and break room, an IT room, and a large open cube area. Modern designer furniture is included with Suite 200. Both suites have high ceilings, abundant windows, and elevator access.

The property is 3.5± miles from downtown Portsmouth, 2.6± miles from I-95, and 0.6± miles from Route 1. Other tenants include X5 Home Loans, Global Laminates, TopMark Funding, Concord Electric, Asian Atlantic Industries, and NERACOOS.

Key Highlights

  • Suite 200 contains 11,062± SF, including 9 offices and 3 conference rooms
  • Suite 1 is a 550± SF open‑concept, single‑room office
  • Suite 200 includes a kitchen/break room, IT room, and large open cube area

Property Analytics

Current Use

Office Units

Suggested Use

Top Pick Real Estate Agency Law Firm Hair Salon Parking Lot & Garage Grocery & Convenience Store Spa & Massage Center

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

Multi-tenant
Tenancy
Yes
Highway access
NNN (Triple Net)
Lease Type

Location Intelligence

Trade Area within ½ mile

584
Businesses Nearby

Demographics for 03801, NH

22,767
Population
11,448
Households
2
Avg Household Size
43
Median Age
63%
College-Educated
98%
High-School Grad
23.8 sq mi
ZIP Area
957
Density / Sq Mi
$106,520
Median Household Income
$65,984
Median Earnings
$1,783
Median Rent
$647,500
Median Home Value

Market

Lease Benchmarks for Portsmouth, NH

$19.07 /SF/Yr
Avg Asking Price
$1.11–$40 /SF/Yr
Price Range
8,503 SF
Avg Space Size

Vacancy Rate% for Office in Northeast region

13.1% 2019
15.4% 2020
17.6% 2021
19.1% 2022
20.2% 2023
20.9% 2024
19.9% 2025
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Frequently Asked Questions

What type of property is this?
Office units - Options include a single-room workspace and a larger layout with private offices, meeting rooms, and a kitchen area.
Where is this office units located?
The property is located at 1-300 Constitution Avenue Portsmouth, NH.
What is the lease rate?
The lease rate is $900/Mo.
What are key features of this property?
This property features: Suite 200 contains 11,062± SF, including 9 offices and 3 conference rooms; Suite 1 is a 550± SF open‑concept, single‑room office; Suite 200 includes a kitchen/break room, IT room, and large open cube area
More about this property
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